安卓笔记1-Retrofit2请求自界说接口 - IT评测·应用市场-qidao123.com

// 功能接口URL
https://myapi.com/myservice1
https://myapi.com/myservice2
https://myapi.com/myservice3
...

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// RetrofitClient.kt
package com.example.retrofit
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory
object RetrofitClient {
private const val SERVICE_BASE_URL = "https://你生成的随机字符串.mock.pstmn.io"
// 配置retrofit实例
val serviceRetrofit: Retrofit by lazy {
Retrofit.Builder()
.baseUrl(SERVICE_BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build()
}
//配置接口实例
val service1: Service1 by lazy {
serviceRetrofit.create(Service1::class.java)
}
val service2: Service2 by lazy {
serviceRetrofit.create(Service2::class.java)
}
}

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// ApiService.kt
package com.example.retrofit
import retrofit2.Call
import retrofit2.http.GET
// 配置接口协议方法、路径、响应
interface Service1 {
@GET("/myservice1")
fun getService1(): Call<Service1Response>
}
interface Service2 {
@GET("/myservice2")
fun getService2(): Call<Service2Response>
}

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/**
* Response.kt
* @tip: 根据响应体设置数据类
*/
package com.example.retrofit
data class Service1Response(
val goal1: String
)
data class Service2Response(
val goal2: String
)

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
android:padding="16dp">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Response from Service 1"
android:layout_marginBottom="10dp"/>
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Response from Service 2"/>
</LinearLayout>

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package com.example.testretrofit
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.TextView
import com.example.retrofit.RetrofitClient
import com.example.retrofit.Service1Response
import com.example.retrofit.Service2Response
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response
class MainActivity : AppCompatActivity() {
private lateinit var textView1: TextView
private lateinit var textView2: TextView
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
textView1 = findViewById(R.id.textView1)
textView2 = findViewById(R.id.textView2)
RetrofitClient.service1.getService1().enqueue(object : Callback<Service1Response> {
override fun onResponse(call: Call<Service1Response>, response: Response<Service1Response>) {
if (response.isSuccessful) {
println("getService1调用成功")
println(response.body())
runOnUiThread {
response.body()?.let {
textView1.text = it.goal1
}
}
} else {
// 处理错误响应
println("getService1响应错误")
}
}
override fun onFailure(call: Call<Service1Response>, t: Throwable) {
// 处理请求失败
println("getService1响应失败")
}
})
RetrofitClient.service2.getService2().enqueue(object : Callback<Service2Response> {
override fun onResponse(call: Call<Service2Response>, response: Response<Service2Response>) {
if (response.isSuccessful) {
println("getService2调用成功")
println(response.body())
runOnUiThread {
response.body()?.let {
textView2.text = it.goal2
}
}
} else {
// 处理错误响应
println("getService2响应错误，状态码: ${response.code()}, 错误信息: ${response.message()}")
}
}
override fun onFailure(call: Call<Service2Response>, t: Throwable) {
// 处理请求失败
println("getService2响应失败，错误: ${t.message}")
}
})
}
}

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